1989.02 Seoul National University College of Medicine, M.D.
1999.02 Graduate School of Medicine, Seoul National University, M.S.
2001.02 Graduate School of Medicine, Seoul National University, Ph.D.
1989.03-1994.02 Intern/Resident, Department of Surgery, Seoul National University Hospital
2000.03-2000.10 Colorectal Surgery Fellow, Department of Surgery, Seoul National University Hospital Colorectal Surgery Fellow
2000.10-2008.08 Head/Center for Early Detection for Cancer, National Cancer Center Hospital, National Cancer Center
2004.09-2005.08 Research Fellow, Memorial Sloan-Kettering Cancer Center, New York, USA
2003.04-2008.08 Head, Center for Colorectal Cancer, National Cancer Center Hospital, National Cancer Center Head
2008.09-2013.08 Associate Professor, Department of Surgery, Seoul National University College of Medicine
20 1 1.03-2016.06 Head, Colorectal Cancer Center, Seoul National University Cancer Hospital
2013.09-Present Professor, Department of Surgery, Seoul National University College of Medicine
2014.01-2016.01 Associate Dean for Education Affairs, Seoul National University College of Medicine
2015.08-2019.05 Director, Seoul National University Cancer Research Institute
2016.06-2019.05 Chief, Department of Planning & Budget, Seoul National University Hospital
2018.08-2019.05 Chief, Colorectal Division, Department of Surgery, Seoul National University Hospital
2019.05-2021.05 Senior Vice President & Director, Seoul National University Hospital
2021.05-2023.03 President, Seoul National University Boramae Medical Center